A manhole cover launched into space with a nuclear test is the fastest human-made object. A scientist on Operation Plumbbob told us the unbelievable story. us.yahoo.com Submitted by WokeUp2 t3_11h0e5l on March 3, 2023 at 1:10 PM in space No comments 4
The Webb Telescope Is Just Getting Started nytimes.com Submitted by WokeUp2 t3_zxj5ja on December 28, 2022 at 7:54 PM in space 19 comments 550